AI Research Lead

Overview

Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world's leading AI platforms. Perplexity has raised over $1B in venture investment from some of the world's most visionary and successful leaders, including Elad Gil, Daniel Gross, Jeff Bezos, Accel, IVP, NEA, NVIDIA, Samsung, and many more. Our objective is to build accurate, trustworthy AI that powers decision-making for people and assistive AI wherever decisions are being made. Throughout human history, change and innovation have always been driven by curious people. Today, curious people use Perplexity to answer more than 780 million queries every month—a number that’s growing rapidly for one simple reason : everyone can be curious.

Perplexity is seeking an exceptional AI Research Tech Lead to drive our research strategy and lead the development of our in-house Online LLMs, the Sonar models. In this leadership role, you will set the macro research direction across different modalities, mentor a team of researchers, and take advantage of our rich query / answer dataset to continue scaling our Sonar model performance and deliver the SOTA Online LLM experience to our users.

Responsibilities

Research Leadership & Strategy

• Define and execute the macro research direction across multiple modalities, including post-training LLMs for agent trajectories and future mid-training initiatives
• Lead strategic research planning and roadmap development to advance Sonar model capabilities
• Drive innovation in supervised and reinforcement learning techniques for query answering
• Collaborate with leadership to align research priorities with product and business objectives

Team Development & Mentorship

Technical Excellence

Cross-Functional Collaboration

Qualifications

Required

Nice-to-have

Compensation & Benefits

Our cash compensation range for this role is $370,000 - $460,000.

Final offer amounts are determined by multiple factors, including experience and expertise, and may vary from the amounts listed above.

Equity : In addition to the base salary, equity may be part of the total compensation package.

Benefits : Comprehensive health, dental, and vision insurance for you and your dependents. Includes a 401(k) plan.

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